41220815500801 has 4 divisors (see below), whose sum is σ = 41645772361732. Its totient is φ = 40795858639872.

The previous prime is 41220815500691. The next prime is 41220815500807. The reversal of 41220815500801 is 10800551802214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9420915561201 + 31799899939600 = 3069351^2 + 5639140^2 .

It is a cyclic number.

It is not a de Polignac number, because 41220815500801 - 2⁹ = 41220815500289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41220815500807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212478430320 + ... + 212478430513.

It is an arithmetic number, because the mean of its divisors is an integer number (10411443090433).

Almost surely, 2^{41220815500801} is an apocalyptic number.

It is an amenable number.

41220815500801 is a deficient number, since it is larger than the sum of its proper divisors (424956860931).

41220815500801 is an equidigital number, since it uses as much as digits as its factorization.

41220815500801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424956860930.

The product of its (nonzero) digits is 25600, while the sum is 37.

The spelling of 41220815500801 in words is "forty-one trillion, two hundred twenty billion, eight hundred fifteen million, five hundred thousand, eight hundred one".